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soc: qcom: tracer_pkt: Fix buffer length check

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The logic to truncate packets if the size is too long was off by one.
Fix the conditional logic for checking lengths.

CRs-Fixed: 2121368
Change-Id: I908bd0a1ab78dea439056dbcd12eb158b2789e4a
Signed-off-by: Chris Lew <clew@codeaurora.org>
This commit is contained in:
Chris Lew 2017-10-04 15:56:32 -07:00 • committed by Dhoat Harpal
parent 8e181ea4e8
commit 1c8d205e09
1 changed files with 2 additions and 2 deletions
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4
drivers/soc/qcom/tracer_pkt.c
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@ -1,4 +1,4 @@
/* Copyright (c) 2015, The Linux Foundation. All rights reserved. /* Copyright (c) 2015, 2018, The Linux Foundation. All rights reserved.
* *
* This program is free software; you can redistribute it and/or modify * This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and * it under the terms of the GNU General Public License version 2 and
@ -100,7 +100,7 @@ int tracer_pkt_init(void *data, size_t data_len,
pkt_hdr->reserved = 0; pkt_hdr->reserved = 0;
pkt_hdr->id_valid = 0; pkt_hdr->id_valid = 0;
pkt_hdr->qdss_tracing = qdss_tracing ? true : false; pkt_hdr->qdss_tracing = qdss_tracing ? true : false;
if (pkt_priv_len > MAX_CC_WLEN * sizeof(uint32_t)) if (pkt_priv_len >= MAX_CC_WLEN * sizeof(uint32_t))
pkt_hdr->ccl = MAX_CC_WLEN; pkt_hdr->ccl = MAX_CC_WLEN;
else else
pkt_hdr->ccl = pkt_priv_len/sizeof(uint32_t) + pkt_hdr->ccl = pkt_priv_len/sizeof(uint32_t) +